Virology and infectious diseases

Virology is the study of viruses – submicroscopic, parasitic particles of genetic material contained in a protein coat and virus-like agents. Virology is considered to be a subfield of microbiology or of medicine. Investigation of infections is the way that they cause numerous vital irresistible illnesses, among them the regular chilly, flu, rabies, measles, many types of looseness of the bowels, hepatitis, Dengue fever, yellow fever, polio, smallpox and AIDS. Herpes simplex causes mouth blisters and genital herpes and is under scrutiny as a conceivable factor in Alzheimer's. Current research in virology includes the investigation of mechanism of HIV replication and pathogenesis .Diseases such as prion diseases, Alzheimer's disease and HIV-1-associated dementia. Infectious diseases, also known as transmissible disease or communicable diseasesigns of infection affect the whole body generally, such as fatigue, loss of appetite, weight loss, fevers, night sweats, chills, aches and pains. Others are specific to individual body parts, such as skin rashes, coughing, or a runny nose. They can be prevented by wearing gowns, and wearing face masks can help prevent infections from being passed from one person to another.